#include <stdio.h>
//练习关系运算符，优先级小于算数运算符
int main() {
    int a;
    while(scanf("%d",&a))
    {
        if(3<a && a<10)//若没有逻辑运算符，由于从左往右计算 永远得到0或1小于10
        {
            printf("a is between 3 and 10\n");
        }
        else
        {
            printf("a is not between 3 and 10\n");
        }
    }
    return 0;
}
